"""
@author: 江同学呀
@file: rank_features_field.py
@date: 2024/7/28 18:53
@desc:
    https://www.elastic.co/guide/en/elasticsearch/reference/7.17/rank-features.html

    Records numeric features to boost hits at query time.
    记录数字特征以在查询时提高命中率。
"""
from abc import ABC
from typing import Type, Union, Dict

from espc.orm.model.base.base import _Base
from espc.orm.model.mapping.field.base_field.base_field import _BaseField
from espc.orm.model.mapping.field.field_attribute import PositiveScoreImpactAttribute
from espc.utils.build_add_attr import build_add_attr


class RankFeaturesField(_BaseField, PositiveScoreImpactAttribute, ABC):
    """
    排名要素 字段
    """
    _field_type: str = "rank_features"

    def __init__(
            self, field_name: str = None, value: Dict[str, float] = None, default: Dict[str, float] = None,
            positive_score_impact: bool = None
    ):
        super().__init__(
            field_name=field_name, value=value, default=default, positive_score_impact=positive_score_impact
        )
        return

    def __get__(
            self, instance: _Base, owner: Type["RankFeaturesField"]
    ) -> Union["RankFeaturesField", Dict[str, float]]:
        return super(RankFeaturesField, self).__get__(instance=instance, owner=owner)

    def __set__(self, instance, value: Dict[str, float]):
        super(RankFeaturesField, self).__set__(instance=instance, value=value)
        return

    @property
    def value(self) -> Dict[str, float]:
        return self._value

    @value.setter
    def value(self, value: Dict[str, float]):
        self._value: Dict[str, float] = value
        return

    @build_add_attr
    def _build(self) -> Dict:
        mapping: Dict = {
            "type": self._field_type,
        }
        return mapping




